00449nam a2200181Ia 45000030006000000050017000060080041000230200018000640400009000820410012000910820020001031000019001232450033001422600033001753000008002085050018002166500033002340Nust20170105110247.0161124s9999    xx            000 0 und d  a0-7484-0270-5  cIGIS  aEnglish  a910.285 21bGRE  aDavid R. Green  aGIS A Sourcebook for Schools  aLondonbTaylor & Pressc2001  a228  a A Sourcebook  aGIS A Sourcebook for Schools